Roddy, Dennis <br/><br/>
Electronic communications 
Dennis Roddy, John coolen 
 - 4th 
 - New Delhi  Prentice-Hall  1995 
 - ix,820 
<br/><br/><label>ISBN: </label>8120309847 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication
<br/><br/><label>Dewey Class. No.: </label>621.382  / ROD N5